package com.atmilan.quartz.service.impl;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import com.atmilan.quartz.utils.product.BellettiniProductUtil;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.atmilan.quartz.constant.Constants;
import com.atmilan.quartz.constant.enums.ProductTypeEnum;
import com.atmilan.quartz.constant.enums.SyncStatusEnum;
import com.atmilan.quartz.model.dto.bellettini.BellettiniProductResDTO;
import com.atmilan.quartz.model.dto.crmeb.StoreProductCrmebRequest;
import com.atmilan.quartz.model.entity.bellettini.BellettiniProduct;
import com.atmilan.quartz.model.entity.bellettini.BellettiniProductSku;
import com.atmilan.quartz.model.entity.crmeb.StoreProduct;
import com.atmilan.quartz.model.entity.crmeb.SystemConfig;
import com.atmilan.quartz.service.IBellettiniProductService;
import com.atmilan.quartz.service.IBellettiniProductSkuService;
import com.atmilan.quartz.service.IBellettiniSyncService;
import com.atmilan.quartz.service.IStoreProductService;
import com.atmilan.quartz.service.ISystemConfigService;
import com.atmilan.quartz.utils.source.SourceBellettinProductUtil;
import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;

import lombok.extern.slf4j.Slf4j;

@Slf4j
@Service
public class BellettiniSyncServiceImpl implements IBellettiniSyncService {

    @Autowired
    ISystemConfigService systemConfigService;
    @Autowired
    IBellettiniProductService bellettiniProductService;
    @Autowired
    IBellettiniProductSkuService bellettiniProductSkuService;
    @Autowired
    IStoreProductService storeProductService;
    @Autowired
    SourceBellettinProductUtil sourceBellettinProductUtil;
    @Autowired
    BellettiniProductUtil bellettiniProductUtil;

    @Override
    public Boolean syncBellettiniProduct() {
        //数据清空
        bellettiniProductService.deleteAll();
        bellettiniProductSkuService.deleteAll();
        try {
            long millis = System.currentTimeMillis();
            BellettiniProductResDTO bellettiniProductResDTO = bellettiniProductUtil.getBellettiniProducts();
            if (null == bellettiniProductResDTO) {
                log.info("--------------- bellettini获取商品接口请求失败 ---------------");
                return true;
            }
            //保存商品和sku
            saveGoods(bellettiniProductResDTO);
            log.info("--------------- bellettini远程抓取数据{}条, 总耗时: {} 分  ---------------", bellettiniProductResDTO.getProducts().size(), (int) ((System.currentTimeMillis() - millis) / 1000 / 60));
        }catch (Exception e){
            e.printStackTrace();
        }
        return true;
    }

    /**
     * 商品源数据保存
     *
     * @param bellettiniProductResDTO
     */
    private void saveGoods(BellettiniProductResDTO bellettiniProductResDTO) {
        List<BellettiniProduct> goodList = new ArrayList<>();
        List<BellettiniProductSku> skuList = new ArrayList<>();
        bellettiniProductResDTO.getProducts().forEach(good -> {
            if (CollectionUtils.isNotEmpty(good.getSizes())) {
                good.getSizes().forEach(sku -> {
                    BellettiniProductSku bellettiniProductSku = new BellettiniProductSku().setSku(good.getSku());
                    BeanUtils.copyProperties(sku, bellettiniProductSku);
                    skuList.add(bellettiniProductSku);
                });
            }
            BellettiniProduct BellettiniProduct = new BellettiniProduct();
            BeanUtils.copyProperties(good, BellettiniProduct);
            BellettiniProduct.setFilterColors(JSONArray.parseArray(JSON.toJSONString(good.getFilterColors())).toJSONString())
                    .setImages(JSONArray.parseArray(JSON.toJSONString(good.getImages())).toJSONString());
            goodList.add(BellettiniProduct);
        });
        boolean b = bellettiniProductService.saveBatch(goodList);
        System.out.println("--------------------------"+b);
        bellettiniProductSkuService.saveBatch(skuList);
    }

    @Override
    public Boolean pushBellettiniProduct() {
        try {
            //当次更新少于1千条, 则不更新, 并且重新拉取
            int count = bellettiniProductService.count();
            if (1000 > count) {
                systemConfigService.update(Wrappers.<SystemConfig>lambdaUpdate()
                        .eq(SystemConfig::getName, Constants.BELLETTINI_SYNC_STATUS)
                        .set(SystemConfig::getFormId, SyncStatusEnum.PUSH)
                        .set(SystemConfig::getUpdateTime, new Date())
                );
                log.info("--------------- BELLETTINI商品源数据, 少于规定条数, 不进行下发, 总条数为: {} ---------------", count);
                return false;
            }
            //将所有BELLETTINI商品更新状态置为未更新
            storeProductService.update(Wrappers.<StoreProduct>lambdaUpdate()
                    .eq(StoreProduct::getIsEurope, ProductTypeEnum.BELLETTINI.getCode())
                    .set(StoreProduct::getUpdateFlag, false)
            );

            //商品更新操作
            int pageNo = 1;
            int pageSize = 100;
            int maxPage = (count + pageSize - 1) / pageSize;
            log.info("--------------- 开始分页查询BELLETTINI商品源数据, 本次更新总条数为: {} ---------------", count);

            long millis = System.currentTimeMillis();
            while (pageNo <= maxPage) {
                try {
                    PageHelper.startPage(pageNo, pageSize);
                    List<BellettiniProduct> bellettiniProductList = bellettiniProductService.list();
                    PageInfo<BellettiniProduct> pageInfo = PageInfo.of(bellettiniProductList);
                    List<BellettiniProduct> products = pageInfo.getList();
                    buildProduct(products);
                } catch (Exception e) {
                    e.printStackTrace();
                }

                log.info("--------------- BELLETTINI下发商品到数据库, 当前页数: {}, 总页数: {}, 耗时: {} 分 ---------------", pageNo, maxPage, (int) ((System.currentTimeMillis() - millis) / 1000 / 60));
                pageNo++;
            }
            // 图搜删除
            storeProductService.delSeachImage(ProductTypeEnum.BELLETTINI);
            // 下架所有未更新数据
            storeProductService.update(Wrappers.<StoreProduct>lambdaUpdate()
                    .eq(StoreProduct::getIsEurope, ProductTypeEnum.BELLETTINI.getCode())
                    .eq(StoreProduct::getUpdateFlag, false)
                    .eq(StoreProduct::getIsShow, true)
                    .eq(StoreProduct::getIsDel, false)
                    .set(StoreProduct::getIsShow, false)
                    .set(StoreProduct::getStock, 0)
                    .set(StoreProduct::getLastPushTime, new Date())
                    .set(StoreProduct::getIsTusou, false)
                    );
            // 下架所有sku库存
            storeProductService.downloadSku(ProductTypeEnum.BELLETTINI.getCode());
            
            return true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }

    /**
     * 商品构建处理
     *
     * @param products
     */
    private void buildProduct(List<BellettiniProduct> products) {
        try {
            for (BellettiniProduct product : products) {
                //商品没有图片，跳过
                List<String> list = JSONObject.parseArray(product.getImages(), String.class);
                list.removeIf(StringUtils::isBlank);
                if(CollectionUtils.isEmpty(list) ){
                    log.info("--------------- 该商品: {} 没有图片, 不进行下放 ---------------",product.getSku());
                    continue;
                }
                if(new BigDecimal(product.getMarketPrice()).compareTo(BigDecimal.ZERO) < 1){
                    log.info("--------------- 该商品: {} 售价异常, 不进行下放 ---------------",product.getSku());
                    continue;
                }
                List<BellettiniProductSku> skus = bellettiniProductSkuService.list(Wrappers.lambdaQuery(BellettiniProductSku.class)
                        .eq(BellettiniProductSku::getSku, product.getSku())
                        .isNotNull(BellettiniProductSku::getSize)
                        .gt(BellettiniProductSku::getQuantity, 0)
                );
                if (CollectionUtils.isEmpty(skus)) {
                    continue;
                }
                // 库存计算
                int stock = 0;
                for (BellettiniProductSku sku : skus) {
                    stock += Integer.parseInt(sku.getQuantity());
                }

                // 构建实体
                StoreProductCrmebRequest storeProductCrmebRequest = sourceBellettinProductUtil.buildBellettiniProduct(product, skus);
                // 数据保存
                StoreProduct storeProduct = storeProductService.getByBarCode(storeProductCrmebRequest.getBarCode(), storeProductCrmebRequest.getSuppliersId(), storeProductCrmebRequest.getKeyword());
                boolean crmebUpdate = true;
                if (null != storeProduct && null != storeProduct.getLastPushTime()) {
                    long txyye = (System.currentTimeMillis() - storeProduct.getLastPushTime().getTime()) / 1000 / 60;
                    if (60 > txyye) {
                        log.info("--------------- 该商品: {} 上次Bellettini更新时间: {} 小于一小时, 不进行更新 ---------------", storeProductCrmebRequest.getBarCode(), storeProduct.getLastPushTime());
                        crmebUpdate = false;
                        storeProductService.update(Wrappers.<StoreProduct>lambdaUpdate()
                                .eq(StoreProduct::getId, storeProduct.getId())
                                .set(StoreProduct::getUpdateFlag, true)
                        );
                    }
                }
                if (crmebUpdate) {
                    storeProductService.saveOtProduct(storeProductCrmebRequest, storeProduct, stock);
                }
            }

        } catch (Exception e) {
            e.printStackTrace();
        }

    }
}
